improved SIR model改进的SIR模型
3)improved Nishihara model改进的西原模型
4)proposed exponent model改进的指数模型
5)improved Merchant model改进的Merchant模型
1.By use of the improved Merchant model and method for parameter calculation,finite element program for nonlinear elastic-cohesive consolidation model was complied and applied to soft ground settlement calculation and analysis for Shenzhen-Hongkong western artery road.对软土蠕变-固结特性、计算模型、模型数值求解法进行研究,采用改进的Merchant模型和参数确定方法,编制非线性黏-弹性固结模型有限元计算程序。
6)modified Gompertz model改进的Gompertz模型
1.A least square method of nonlinear regression for modified Gompertz model parameter estimation is brought forward according to Gauss-Newton least square method and multiple linear regression least square meth.根据高斯-牛顿最小二乘法和多元线性回归最小二乘法原理,提出改进的Gompertz模型参数估计的非线性回归最小二乘法。
延伸阅读
改进改变旧有情况,使有所进步:~工作ㄧ操作方法有待~。
